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<html lang="en">

<head>
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  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>首页</title>
  <link rel="stylesheet" href="./bootstrap/bootstrap.min.css" />
  <link rel="stylesheet" href="./bootstrap/bootstrap-icons.css" />
  <link rel="stylesheet" href="./css/common.css" />
  <style>
    .card-stats .bi {
      width: 50px;
      height: 50px;
      display: block;
      background-color: #e4e4e4;
      color: #fff;
      border-radius: 50%;
      line-height: 50px;
      text-align: center;
      font-size: 24px;
      margin-top: 4px;
    }
  </style>
</head>

<body class="application application-offset">
  <div class="container-fluid container-application">
    <div class="sidenav show" id="sidenav-main">
      <!-- Sidenav header -->
      <div class="sidenav-header d-flex align-items-center">
        <a class="navbar-brand" href="./index.html">
          <span class="logo">·ITCAST·</span>
        </a>
      </div>
      <!-- User mini profile -->
      <div class="sidenav-user d-flex flex-column align-items-center justify-content-between text-center">
        <!-- Avatar -->
        <div>
          <a href="#" class="avatar rounded-circle avatar-xl">
            <img alt="Image placeholder" src="https://yanxuan-item.nosdn.127.net/8b27deb1670c53e67c42ca3e1ed6fd12.jpg"
              class="" />
          </a>
          <div class="mt-5">
            <h5 class="mb-0 text-white">黑马前端</h5>
            <span class="d-block text-sm text-white opacity-8 mb-3">数据可视化</span>
            <a href="javascript:;" class="btn btn-sm btn-white btn-icon rounded-pill shadow hover-translate-y-n3">
              <span class="btn-inner--text">学前端来黑马</span>
            </a>
          </div>
        </div>
      </div>
      <!-- Application nav -->
      <div class="nav-application clearfix">
        <a href="./index.html" class="btn btn-square text-sm active">
          <span class="btn-inner--icon d-block"><i class="bi bi-house bi-2x"></i></span>
          <span class="btn-inner--icon d-block pt-2">首页</span>
        </a>
        <a href="./student.html" class="btn btn-square text-sm">
          <span class="btn-inner--icon d-block"><i class="bi bi-people bi-2x"></i></span>
          <span class="btn-inner--icon d-block pt-2">学生</span>
        </a>
        <a href="javascript:;" class="btn btn-square text-sm">
          <span class="btn-inner--icon d-block"><i class="bi bi-columns bi-2x"></i></span>
          <span class="btn-inner--icon d-block pt-2">排版</span>
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          <span class="btn-inner--icon d-block"><i class="bi bi-files bi-2x"></i></span>
          <span class="btn-inner--icon d-block pt-2">资料</span>
        </a>
        <a href="javascript:;" class="btn btn-square text-sm">
          <span class="btn-inner--icon d-block"><i class="bi bi-receipt bi-2x"></i></span>
          <span class="btn-inner--icon d-block pt-2">就业</span>
        </a>
        <a href="javascript:;" class="btn btn-square text-sm">
          <span class="btn-inner--icon d-block"><i class="bi bi-gear bi-2x"></i></span>
          <span class="btn-inner--icon d-block pt-2">设置</span>
        </a>
      </div>
      <!-- Misc area -->
      <div class="card bg-gradient-warning">
        <div class="card-body">
          <h5 class="text-white">哈喽, 朋友!</h5>
          <p class="text-white mb-4">为什么不现在开始学习前端，创造一些令人惊叹的东西呢？</p>
          <a href="http://itcast.cn" class="btn btn-sm btn-block btn-white rounded-pill" target="_blank">Get started</a>
        </div>
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    <div class="main-content position-relative">
      <nav class="navbar navbar-main navbar-expand-lg navbar-dark navbar-border" id="navbar-main">
        <div class="container-fluid">
          <!-- Navbar nav -->
          <div class="collapse navbar-collapse navbar-collapse-fade" id="navbar-main-collapse">
            <ul class="navbar-nav align-items-lg-center">
              <!-- Home  -->
              <li class="nav-item">
                <a class="nav-link pl-lg-0" href="./index.html"> 首页 </a>
              </li>
              <li class="nav-item">
                <a class="nav-link pl-lg-0" href="./index.html"> 传智教育 </a>
              </li>
              <li class="nav-item">
                <a class="nav-link pl-lg-0" href="./index.html"> 黑马程序员 </a>
              </li>
              <li class="nav-item">
                <a class="nav-link pl-lg-0" href="./index.html"> 文档 </a>
              </li>
            </ul>
            <!-- Right menu -->
            <ul class="navbar-nav ml-lg-auto align-items-center d-none d-lg-flex">
              <li class="nav-item dropdown dropdown-animate">
                <a class="nav-link pr-lg-0" href=".dropdown-menu" role="button" data-toggle="dropdown"
                  aria-haspopup="true" aria-expanded="false">
                  <div class="media media-pill align-items-center">
                    <span class="avatar rounded-circle">
                      <img alt="Image placeholder"
                        src="https://yanxuan-item.nosdn.127.net/8b27deb1670c53e67c42ca3e1ed6fd12.jpg" />
                    </span>
                    <div class="ml-2 d-none d-lg-block">
                      <span class="mb-0 text-sm font-weight-bold" id="username">Admin</span>
                    </div>
                  </div>
                </a>
              </li>
              <li class="nav-item">
                <a class="nav-link pl-lg-0" id="logout" href="javascript:;"> 退出 </a>
              </li>
            </ul>
          </div>
        </div>
      </nav>
      <div class="page-content">
        <!-- Page Title -->
        <div class="page-title">
          <div class="row justify-content-between align-items-center">
            <div class="col-md-6 mb-3 mb-md-0">
              <h5 class="h3 font-weight-400 mb-0 text-white">Dashboard</h5>
              <span class="text-sm text-white opacity-8">上海前端 xx 期</span>
            </div>
          </div>
        </div>
        <!-- charts -->
        <div class="row">
          <div class="col-xl-3 col-md-6">
            <div class="card card-stats">
              <div class="card-body">
                <div class="row">
                  <div class="col">
                    <h6 class="text-muted mb-1">就业薪资</h6>
                    <span name="salary" class="h3 font-weight-bold mb-0 ">15500</span>
                  </div>
                  <div class="col-auto">
                    <i class="bi bi-coin"></i>
                  </div>
                </div>
              </div>
            </div>
          </div>
          <div class="col-xl-3 col-md-6">
            <div class="card card-stats">
              <div class="card-body">
                <div class="row">
                  <div class="col">
                    <h6 class="text-muted mb-1">班级人数</h6>
                    <span name="student_count" class="h3 font-weight-bold mb-0 ">80</span>
                  </div>
                  <div class="col-auto">
                    <i class="bi bi-people"></i>
                  </div>
                </div>
              </div>
            </div>
          </div>
          <div class="col-xl-3 col-md-6">
            <div class="card card-stats">
              <div class="card-body">
                <div class="row">
                  <div class="col">
                    <h6 class="text-muted mb-1">平均年龄</h6>
                    <span name="age" class="h3 font-weight-bold mb-0 ">24.40</span>
                  </div>
                  <div class="col-auto">
                    <i class="bi bi-calendar2-week"></i>
                  </div>
                </div>
              </div>
            </div>
          </div>
          <div class="col-xl-3 col-md-6">
            <div class="card card-stats">
              <!-- Card body -->
              <div class="card-body">
                <div class="row">
                  <div class="col">
                    <h6 class="text-muted mb-1">小组个数</h6>
                    <span name="group_count" class="h3 font-weight-bold mb-0 ">8</span>
                  </div>
                  <div class="col-auto">
                    <i class="bi bi-collection"></i>
                  </div>
                </div>
              </div>
            </div>
          </div>
        </div>
        <div class="row">
          <div class="col col-xl-8">
            <div class="card" id="line" style="height: 400px;"></div>
          </div>
          <div class="col col-xl-4">
            <div class="card" id="salary" style="height: 400px;"></div>
          </div>
          <div class="col col-xl-12">
            <div class="card" style="height: 400px;">
              <div class="card-header">
                <div class="d-flex justify-content-between align-items-center">
                  <h6 class="mb-0">班级每组薪资</h6>
                  <div id="btns">
                    <button type="button" class="btn btn-xs btn-blue">1</button>
                    <button type="button" class="btn btn-xs ">2</button>
                    <button type="button" class="btn btn-xs ">3</button>
                    <button type="button" class="btn btn-xs ">4</button>
                    <button type="button" class="btn btn-xs ">5</button>
                    <button type="button" class="btn btn-xs ">6</button>
                    <button type="button" class="btn btn-xs ">7</button>
                    <button type="button" class="btn btn-xs ">8</button>
                  </div>
                </div>
              </div>
              <div class="card-body p-0" id="lines"></div>
            </div>
          </div>
          <div class="col col-xl-4">
            <div class="card" id="gender" style="height: 500px;"></div>
          </div>
          <div class="col col-xl-8">
            <div class="card" id="map" style="height: 500px;"></div>
          </div>
        </div>
        <!-- footer -->
        <div class="footer pt-5 pb-4 footer-light" id="footer-main">
          <div class="row text-center text-sm-left align-items-sm-center">
            <div class="col-sm-6">
              <p class="text-sm mb-0">© 2022 <a href="https://itcast.cn" class="h6 text-sm" target="_blank">前端学科</a>.
                All rights reserved.</p>
            </div>
            <div class="col-sm-6 mb-md-0">
              <ul class="nav justify-content-center justify-content-md-end">
                <li class="nav-item">
                  <a class="nav-link" href="#">Support</a>
                </li>
                <li class="nav-item">
                  <a class="nav-link" href="#">Terms</a>
                </li>
                <li class="nav-item">
                  <a class="nav-link pr-0" href="#">Privacy</a>
                </li>
              </ul>
            </div>
          </div>
        </div>
      </div>
    </div>
  </div>
  <script src="./bootstrap/bootstrap.min.js"></script>
  <script src="./lib/axios.js"></script>
  <script src="./lib/echarts.min.js"></script>
  <script src="./js/common.js"></script>
  <script src="./lib/china.js"></script>

  <script>
  /* 什么情况下 才可以让用户直接访问 index.html
     用户登录了 才能访问  index .html
     如果用户没有登录 不允许用户直接访问 index.html
     只要登录成功  本地存储里面有 token
     判断 是否有token*/
     const token=localStorage.getItem('CMS85')

     if(!token){
      location.href='./login.html'
     }






    /* 显示登录用户
      1.1 获取本地存储里面的  CMS-USERNAME的值
      1.2 获取id=username的dom元素  
    */
   const username=localStorage.getItem('CMS-USERNAME')
   document.querySelector('#username').innerHTML=username
   /* 2.获取学生统计的数据
      2.1 发送ajax获取 
      3.发送ajax 获取 学生的统计数据   
   */
  axios({
    url:'/dashboard',
   /*  //将token 放在 请求体里面携带
    headers:{
      Authorization:localStorage.getItem('CMS85')
    } */
    

  }).then(({data:res})=>{
    console.log(res);
    const {overview}=res.data
    for(let k in overview){
      document.querySelector(`[name=${k}]`).innerHTML=overview[k]
    }
    console.log(res.data);
    setLine(res.data.year)
     setLack(res.data.salaryData)
     setBar(res.data.groupData)
     setDat(res.data.salaryData)
     initMapChartFn(res.data.provinceData)
  })

  /*  退出功能
    1.需要获取[退出] dom元素 注册点击事件 
    2.需要给用户 展示 展示对话框 confirm()
    3.需要跳转登录页面 清空 本地存储
    
    */
   document.querySelector('#logout').addEventListener('click',function(){
    if(confirm('您是否退出页面')){
       location.href='./login.html' //跳转页面
       localStorage.clear() //清除本地缓存
    }
   })
    const setLine=arr=>{
      //基于准备好的dom,初始化echarts实例
        const myChart=echarts.init(document.querySelector('#line'))
        const option = {
    title:{
      text:'2021全学科薪资走势',
      textStyle:{
        color:'#520520',
        fontSize: 16
      },
      top:10,
      left:15
    },
    //网格组件
    grid:{
      //提示框组件
    top:'20%'
    },

   tooltip :{
    trigger :'axis'
    
    },
  xAxis: {
    type: 'category',
    data: arr.map(item=>item.month),
    axisLine:{
      lineStyle:{
        type:'dashed'
      }
    }
  },
  yAxis: {
    type: 'value',
    //分割线的样式
    splitLine:{
      lineStyle:{type:'dashed'}
    }
  },
  series: [
    {
      data: arr.map(item=>item.salary),
      type: 'line',
      //曲线是否平滑
      smooth:true,
      //标记大小
       symbolSize: 10,
       //区域渐变色
       areaStyle: {
   // 线性渐变，前四个参数分别是 x0, y0, x2, y2, 范围从 0 - 1，相当于在图形包围盒中的百分比，如果 globalCoord 为 `true`，则该四个值是绝对的像素位置
       
         color:{
  type: 'linear',
  x: 0,
  y: 0,
  x2: 0,
  y2: 1,
  colorStops: [{
      offset: 0, color: '#499FEE' // 0% 处的颜色
  }, {
      offset: 0.8, color: 'rgba(255,255,255,0.2)' // 100% 处的颜色
  },
  {
      offset: 1, color: 'rgba(255,255,255,0)' // 100% 处的颜色
  }],
  global: false // 缺省为 false
}
},    
//线条的渐变色
     lineStyle : {
       //设置线条的宽度
      width : 6,
      //设置线条的渐变色
      color : {
        type: 'linear',
  x: 0,
  y: 0,
  x2: 1,
  y2: 0,
   colorStops: [
     {
      offset: 0, 
      color: '#499FEE' // 0% 处的颜色
  }, {
     offset: 1, 
     color: '#5d75f0' // 100% 处的颜色
  }],
   global: false // 缺省为 false
      
      }
    }

    }
  ]
};
myChart.setOption(option);
    }

     //饼状图
 const setLack = arr => {
      // 基于准备好的dom，初始化echarts实例
      // 创建echarts实例对象
      const option = {
  title: {
    text: '班级薪资分布',
    textStyle: {
      fontSize: 16
    },
    top: 15,
    left: 10
  },
  tooltip: {
    trigger: 'item'
  },
  // 图例组件
  legend: {
    bottom: '6%',
    left: 'center'
  },
  series: [
    {
      name: '班级薪资分布',
      type: 'pie',
      // 半径
      radius: ['50%', '64%'],
      // 圆心位置
      center: ['50%','45%'],
      avoidLabelOverlap: false,
      itemStyle: {
        borderRadius: 10,
        borderColor: '#fff',
        borderWidth: 2
      },
      label: {
        show: false,
        position: 'center'
      },
      labelLine: {
        show: false
      },
      // 饼状图的数据
      data: arr.map(item => {
         return {
          name:item.label,
          value:item.g_count+item.b_count
         }
      })
    }
  ],
  color: ['#FDA224', '#5097FF', '#3ABCFA', '#34D39A']
};

      const myChart = echarts.init(document.querySelector('#salary'))
     myChart.setOption(option)
    }
     

     //柱状图
    const setBar=(obj)=>{
      const myChart = echarts.init(document.querySelector('#lines'))
       const option = {
    grid: {
        left: 70,
        top: 30,
        right: 30,
        bottom: 50,
    },
    tooltip: {
        trigger: 'item',
    },
    xAxis: {
        type: 'category',
        data: obj[1].map(item=>item.name),
        axisLine: {
            lineStyle: {
                color: '#ccc',
                type: 'dashed'
            }
        },
        axisLabel: {
            color: '#999'
        }
    },
    yAxis: {
        type: 'value',
        splitLine: {
            lineStyle: {
                type: 'dashed'
            }
        }
    },
    series: [
        {
            data:obj[1].map(item=>item.hope_salary),
            type: 'bar',
            name: '期望薪资'
        },
        {
            data: obj[1].map(item=>item.salary),
            type: 'bar',
            name: '就业薪资'
        }
    ],
    color: [
        {
            type: 'linear',
            x: 0,
            y: 0,
            x2: 0,
            y2: 1,
            colorStops: [
                {
                    offset: 0,
                    color: '#34D39A', // 0% 处的颜色
                },
                {
                    offset: 1,
                    color: 'rgba(52,211,154,0.2)', // 100% 处的颜色
                },
            ],
        },
        {
            type: 'linear',
            x: 0,
            y: 0,
            x2: 0,
            y2: 1,
            colorStops: [
                {
                    offset: 0,
                    color: '#499FEE', // 0% 处的颜色
                },
                {
                    offset: 1,
                    color: 'rgba(73,159,238,0.2)', // 100% 处的颜色
                },
            ],
        },
    ],
}
      myChart.setOption(option)


      //tab栏切换
      //1.获取所有的button 标签 伪数组
      //2.循环注册点击事件 forEach()
      //3.鼠标点击谁 让谁高亮显示
      //4.排他
      const btns = document.querySelectorAll('#btns button')
      btns.forEach(item=>{
        item.addEventListener('click',function(){
          document.querySelector('#btns button.btn-blue').classList.remove('btn-blue')
          item.classList.add('btn-blue')

      /*鼠标点击button 让柱状图显示对应的组的数据
        1.获取鼠标点击的button中间的值
        2.让数据切换? obj对象 通过对象的属性可以找到对应的组
        3.让配置对象里面对应的数据 显示成对应组的数据
        4.重新让 echarts 实例对象的 setOption 调用  */
        const index=item.innerHTML
        const groupData=obj[index]
        option.xAxis.data=groupData.map(item=>item.name)
        option.series[0].data=groupData.map(item=>item.hope_salary)
        option.series[1].data=groupData.map(item=>item.salary) 
          myChart.setOption(option) 
        })
      })


    }

    //圆饼图
    const setDat=arr=>{
   const myChart = echarts.init(document.querySelector('#gender'))
    const option={
    title: [
        {
            text: '男女薪资分布',
            left: 10,
            top: 10,
            textStyle: {
                fontSize: 16,
            },
        },
        {
            text: '男生',
            left: '50%',
            top: '45%',
            textAlign: 'center',
            textStyle: {
                fontSize: 12,
            },
        },
        {
            text: '女生',
            left: '50%',
            top: '85%',
            textAlign: 'center',
            textStyle: {
                fontSize: 12,
            },
        },
    ],
    tooltip: {
        trigger: 'item'
    },
    color: ['#FDA224', '#5097FF', '#3ABCFA', '#34D39A'],
    series: [
        {
            type: 'pie',
            radius: 50,
            radius: ['20%', '30%'],
            center: ['50%', '30%'],
            datasetIndex: 1,
            data:arr.map(item => {
         return {
          name:item.label,
          value:item.g_count
         }
      })
            
        },
        {
            type: 'pie',
            radius: 50,
            radius: ['20%', '30%'],
            center: ['50%', '70%'],
            datasetIndex: 2,
            data: arr.map(item => {
         return {
          name:item.label,
          value:item.b_count
         }
      })
        }
    ]
}
   myChart.setOption(option)    
    }

//地图
   const initMapChartFn = (data) => {
      const myEchart = echarts.init(document.querySelector('#map'))
      
      const dataList = [
        { name: '南海诸岛', value: 0 },
        { name: '北京', value: 0 },
        { name: '天津', value: 0 },
        { name: '上海', value: 0 },
        { name: '重庆', value: 0 },
        { name: '河北', value: 0 },
        { name: '河南', value: 0 },
        { name: '云南', value: 0 },
        { name: '辽宁', value: 0 },
        { name: '黑龙江', value: 0 },
        { name: '湖南', value: 0 },
        { name: '安徽', value: 0 },
        { name: '山东', value: 0 },
        { name: '新疆', value: 0 },
        { name: '江苏', value: 0 },
        { name: '浙江', value: 0 },
        { name: '江西', value: 0 },
        { name: '湖北', value: 0 },
        { name: '广西', value: 0 },
        { name: '甘肃', value: 0 },
        { name: '山西', value: 0 },
        { name: '内蒙古', value: 0 },
        { name: '陕西', value: 0 },
        { name: '吉林', value: 0 },
        { name: '福建', value: 0 },
        { name: '贵州', value: 0 },
        { name: '广东', value: 0 },
        { name: '青海', value: 0 },
        { name: '西藏', value: 0 },
        { name: '四川', value: 0 },
        { name: '宁夏', value: 0 },
        { name: '海南', value: 0 },
        { name: '台湾', value: 0 },
        { name: '香港', value: 0 },
        { name: '澳门', value: 0 },
      ]
      dataList.forEach(item=>{
        const obj=data.find(pro=>{
          return pro.name.indexOf(item.name) !== -1
        })
        if (obj) item.value=obj.value
      })
      let option = {
        title: {
          text: '籍贯分布',
          top: 10,
          left: 10,
          textStyle: {
            fontSize: 16,
          },
        },
        tooltip: {
          trigger: 'item',
          formatter: '{b}: {c} 位学员',
          borderColor: 'transparent',
          backgroundColor: 'rgba(0,0,0,0.5)',
          textStyle: {
            color: '#fff',
          },
        },
        visualMap: {
          min: 0,
          max: 6,
          left: 'left',
          bottom: '20',
          text: ['6', '0'],
          inRange: {
            color: ['#ffffff', '#0075F0'],
          },
          show: true,
          left: 40,
        },
        geo: { // 地理坐标系组件
          map: 'china',
          roam: false,
          zoom: 1.0,
          label: {
            normal: {
              show: true,
              fontSize: '10',
              color: 'rgba(0,0,0,0.7)',
            },
          },
          itemStyle: {
            normal: {
              borderColor: 'rgba(0, 0, 0, 0.2)',
              color: '#e0ffff',
            },
            emphasis: {
              areaColor: '#34D39A',
              shadowOffsetX: 0,
              shadowOffsetY: 0,
              shadowBlur: 20,
              borderWidth: 0,
              shadowColor: 'rgba(0, 0, 0, 0.5)',
            },
          },
        },
        series: [
          {
            name: '籍贯分布',
            type: 'map',
            geoIndex: 0,
            data: dataList,
          },
        ],
      }
      myEchart.setOption(option)
    }
  </script>
</body>

</html>